NH₂

Cross sections

[An explanation of the cross sections in this database]
[All cross sections — variable wavelength scale]
[All cross sections — variable wavelength scale in binary hdf5 format]
[All cross sections — 0.1nm wavelength scale]
[Photodissociation cross section — separate lines and continuum]
[Photoionisation cross section — separate lines and continuum]
[Download cross section figure as pdf]

Photodissociation and ionisation rates (s^-1)

Radiation	Photodissociation	Photoionisation
ISRF	9.51e-10	8.96e-11
Mathis	6.27e-10	7.12e-11
4000K	5.47e-10	7.26e-16
10000K	1.29e-09	6.59e-12
20000K	1.04e-09	8.54e-11
Lyman-alpha	4.76e-12	0.00e+00
Solar	4.34e-10	4.00e-12
TW-Hya	4.35e-10	2.70e-11
Cosmic ray UV	7.15e-14	6.31e-15

[An explanation of the interstellar photo rates.]
[An explanation of the cosmic-ray induced photo rates.]
[An explanation of the radiation fields listed below.]
[Download all rates in a csv file.]

Shielding functions and fitted constants

Photodissociation

Radiation	γE2	γexp	k0fit	γfit	Line data	Dust data
ISRF	1.57	2.31	0.60	2.05	[Download]	[Download]
Mathis	1.57	2.31	0.59	2.05	[Download]	[Download]
4000K	1.51	2.21	0.64	1.99	[Download]	[Download]
10000K	1.52	2.23	0.64	2.00	[Download]	[Download]
20000K	1.55	2.28	0.61	2.03	[Download]	[Download]
Lyman-alpha	2.11	2.97	0.58	2.70	[Download]	[Download]
Solar	1.51	2.21	0.64	1.99	[Download]	[Download]
TW-Hya	1.53	2.25	0.63	2.02	[Download]	[Download]

Photoionisation

Radiation	γE2	γexp	k0fit	γfit	Line data	Dust data
ISRF	2.96	3.98	0.50	3.64	[Download]	[Download]
Mathis	2.98	4.01	0.50	3.66	[Download]	[Download]
4000K	2.74	3.72	0.51	3.39	[Download]	[Download]
10000K	2.92	3.94	0.50	3.59	[Download]	[Download]
20000K	2.99	4.02	0.50	3.67	[Download]	[Download]
Lyman-alpha	-	-	-	-
Solar	3.19	4.26	0.48	3.90	[Download]	[Download]
TW-Hya	3.07	4.11	0.49	3.75	[Download]	[Download]

[An explanation of the shielding functions and parameterisations.]
[Download all γ factors in a csv file.]
[Download all dust and line shielding functions in a zip file.]